21-22还不明白

amber0919

21-22. Unlike most warbler species, the male and female blue-winged warbler are very difficult to tell apart.

(A) Unlike most warbler species, the male and female blue-winged warbler are very difficult to tell apart.

(B) Unlike most warbler species, the gender of the blue-winged warbler is very difficult to distinguish.

(C) Unlike those in most warbler species, the male and female blue-winged warblers are very difficult to distinguish.

(D) It is very difficult, unlike in most warbler species, to tell the male and female blue-winged warbler apart.（E）

(E) Blue-winged warblers are unlike most species of warbler in that it is very difficult to tell the male and female apart.

Ａ为什么不对？？　看讨论也没有定论．

比较对等否？？　为什么不对等？

tell　apart的用法对否？

谢谢

carolhide

895, sec21-22

A) most warbler species和the male and female blue-winged warbler比较不对等。
B) most warbler species和the gender比较不对等。
C) those的指代不清。这里those不可能指代the male and female, 因为这里他们是形容词性，修饰warblers。

those 如代warblers或指species都是没道理的, 且warblers/species in most warbler species可以认为是个awkward的表达不符习惯, 另外the male and female blue-winged warblers are very difficult to distinguish也可认为是个不合理的句子，因为distinguish the male and female blue-winged warblers不是个好表达, 通常distinguish between和distinguish…from…。总之1)unlike引起的比较对称不合理/工整; 2)句式表达不优。
D) unlike in most warbler species没有合理的修饰对象。
E) best。用到了1)Sb./Sth. be ……in that+句子2) it is very difficult to do3) species of和tell apart

LZ，你可以下载大全注释看。